Physical exercise when young helps bone health in old age

More exercise when young reduces chances of fracture when old

Kids playing soccerPlaying soccer with your kids can help them prevent a broken hip when they are older, says new research.

“According to our study, exercise interventions in childhood may be associated with lower fracture risks as people age, due to the increases in peak bone mass that occurs in growing children who perform regular physical activity,” said lead author, Bjorn Rosengren, MD, PhD of Skane University Hospital, Malmo, Sweden.

Rosengren and his research team studied children aged 7-9 years in Malmo, Sweden for for six years. In the intervention group 362 girls and 446 boys had to do 40 minutes of daily physical exercises at school each and every day. The control group of 780 girls and 807 boys had to do 60 minutes of physical education through out the whole week. Researchers registered incident fractures in all participants and followed skeletal development annually. During the time of the study there were 72 fractures in the intervention group and 143 in the control group resulting in similar fracture risks. The increase in spine bone mineral density was higher in both the boys and girls in the intervention group.

Researchers also conducted a retrospective cross-sectional study of 709 former male athletes with a mean age of 69 years and 1,368 matched controls with a mean age of 70 years to determine how many had suffered fractures and rates of bone density loss. Bone mass density went down only minimally among the athletes from +1.0 to +0.7 standard deviations compared to the non-athletes.

“Increased activity in the younger ages helped induce higher bone mass and improve skeletal size in girls without increasing the fracture risk. Our study highlights yet another reason why kids need to get regular daily exercise to improve their health both now and in the future,” said Rosengren.



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